allow empty templates and template interpolations

2021-06-27 13:54:05 +02:00
parent 13acf1bcc7
commit 6c5f3eba28
5 changed files with 10369 additions and 10289 deletions
--- a/grammar.js
+++ b/grammar.js
@@ -269,22 +269,22 @@ module.exports = grammar({

    quoted_template: $ => prec(PREC.quoted_template, seq(
      $._quoted_template_start,
-      repeat(choice(
+      optional(repeat(choice(
        $.template_literal,
        $.template_interpolation,
        $.template_directive,
-      )),
+      ))),
      $._quoted_template_end,
    )),

    heredoc_template: $ => seq(
      $.heredoc_start,
      $.heredoc_identifier,
-      repeat(choice(
+      optional(repeat(choice(
        $.template_literal,
        $.template_interpolation,
        $.template_directive,
-      )),
+      ))),
      $.heredoc_identifier,
    ),

@@ -299,7 +299,7 @@ module.exports = grammar({
    template_interpolation: $ => seq(
      $._template_interpolation_start,
      optional($.strip_marker),
-      $.expression,
+      optional($.expression),
      optional($.strip_marker),
      $._template_interpolation_end,
    ),